/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.testing;



import com.bff.gaia.unified.vendor.guava.com.google.common.base.Predicate;

import com.bff.gaia.unified.vendor.guava.com.google.common.collect.FluentIterable;

import org.junit.experimental.categories.Category;



import java.lang.annotation.Annotation;

import java.util.Arrays;



/** A utility class for querying annotations. */

class Annotations {



  /** Annotation predicates. */

  static class Predicates {



    static Predicate<Annotation> isAnnotationOfType(final Class<? extends Annotation> clazz) {

      return annotation ->

          annotation.annotationType() != null && annotation.annotationType().equals(clazz);

    }



    static Predicate<Annotation> isCategoryOf(final Class<?> value, final boolean allowDerived) {

      return category ->

          FluentIterable.from(Arrays.asList(((Category) category).value()))

              .anyMatch(

                  aClass -> allowDerived ? value.isAssignableFrom(aClass) : value.equals(aClass));

    }

  }

}